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| Mirrors > Home > MPE Home > Th. List > domentr | Structured version Visualization version GIF version | ||
| Description: Transitivity of dominance and equinumerosity. (Contributed by NM, 7-Jun-1998.) |
| Ref | Expression |
|---|---|
| domentr | ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≈ 𝐶) → 𝐴 ≼ 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | endom 9009 | . 2 ⊢ (𝐵 ≈ 𝐶 → 𝐵 ≼ 𝐶) | |
| 2 | domtr 9037 | . 2 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≼ 𝐶) → 𝐴 ≼ 𝐶) | |
| 3 | 1, 2 | sylan2 605 | 1 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≈ 𝐶) → 𝐴 ≼ 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 class class class wbr 5102 ≈ cen 8973 ≼ cdom 8974 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-pow 5326 ax-pr 5390 ax-un 7751 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-id 5545 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-f1o 6545 df-en 8977 df-dom 8978 |
| This theorem is used by: domdifsn 9082 xpdom1g 9096 domunsncan 9099 sdomdomtr 9132 domen2 9142 mapdom2 9170 unxpdom2 9254 sucxpdom 9255 xpfir 9262 cardsdomelir 10057 infxpenlem 10095 xpct 10098 infpwfien 10144 inffien 10145 mappwen 10194 iunfictbso 10196 djuxpdom 10267 cdainflem 10269 djuinf 10270 djulepw 10274 ficardun2 10283 unctb 10285 infdjuabs 10286 infunabs 10287 infdju 10288 infdif 10289 infxpdom 10291 pwdjudom 10296 infmap2 10298 fictb 10325 cfslb 10347 fin1a2lem11 10491 fnct 10623 fnctOLD 10624 unirnfdomd 10655 iunctb 10662 alephreg 10670 cfpwsdom 10672 gchdomtri 10717 canthp1lem1 10740 pwfseqlem5 10751 pwxpndom 10754 gchdjuidm 10756 gchxpidm 10757 gchpwdom 10758 gchhar 10767 inttsk 10862 inar1 10863 tskcard 10869 znnen 16385 qnnen 16386 rpnnen 16400 rexpen 16401 aleph1irr 16419 cygctb 20111 lindsdom 22161 1stcfb 23768 2ndcredom 23773 2ndcctbss 23779 hauspwdom 23825 tx2ndc 23975 met1stc 24845 met2ndci 24846 re2ndc 25125 opnreen 25156 ovolctb2 25818 ovolfi 25820 uniiccdif 25904 dyadmbl 25926 opnmblALT 25929 vitali 25939 mbfimaopnlem 25981 mbfsup 25990 aannenlem3 26662 dmvlsiga 34807 sigapildsys 34841 carsgclctunlem3 34998 dfac16 35810 weexenwe 35812 acwer1prclem 35815 karddom 35885 j0ltaleph 35947 finminlem 37198 phpreu 38620 mblfinlem1 38668 pellexlem4 43932 pellexlem5 43933 pr2dom 44621 tr3dom 44622 nnfoctb 46158 ioonct 46642 caragenunicl 47627 eufunclem 50749 aacllem 51107 |
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